Sash construction



Dec. 20, 1938. w. s. HAMM SASH CONSTRUCTION Filed Oct. so. 1936 Patented Dec. 20, 1938 a I UNITED STATES PATENT OFFICE I SASH CONSTRUUIION William S. Hamm, Elkhart, Ind., assignor to The Adlake Company, Chicago, Ill., a corporation of Illinois Application October 30, 1936, Serial No. 108,414

2 Claims. (Cl. 189--76) This invention has to do with metal window of the sash, instead of at one of the corners, then sash of the type in which a soft rubber glazing there is no reason why a single adhesive strip strip is positioned about the edge of the glass. bridging both ends should not be used.

The object of the invention is to provide im- After the adhesive strips l8 and I9 have been proved means for preventing the abutting ends applied to the edges of the glass the glazing strips 5 of such a glazing strip from separating and leav- II and i2 are applied to the edges of the glass, ing a gap. with their ends over the adhesive strips, and the A preferred embodiment of the invention is glass, with the adhesive strips and glazing strips presented herein, but it will of course be appreciboth on it, is then forced into the grooves I3 and i0 ated that the invention is susceptible of incorpo- M in the rail members. In working the glazing 10 ration in other slightly modified forms coming strips into the grooves, which usually involves 2. equally within the scope of the appended claims. sliding movement longitudinally of at least one In the accompanying drawing: of the rail members, the glazing strips are almost Fig. 1 is a fragmentary side view of one of the sure to become somewhat stretched, but the adcorners of a sheet metal sash glazed in accordhesive strips I8 and, ill will act to firmly grip both 15 ance with the invention; the glass and the glazing strips in such a way as Fig. 2 is a corresponding view, with the parts to prevent any separating movement of the ends shown in separated relation; and of the glazing strips ever taking place, with the Fig. 3 is a transverse section through one of the result that a very satisfactory joint is obtained rails of the sash, taken on the line 3-3 of Fig. 1. in an exceedingly simple manner without involv- 20 I In this sash a pane of glass I0 is supported by ing any appreciable expense on account of either rubber glazing strips H and I2 in grooves l3 and labor or materials. 14 provided in hollow metal rail members l5 It will of course be understood that the glazing and I6. When the parts are assembled the ends strips II and I2 may either be separate strips or of the glazingstrips l I and I2 are intended to else constitute end portions of a single long strip 25 abut as shown at H in Fig. 1, in order to provide extending about all four edges of the glass. a snug weather-tight joint between the ends. It will also be understood that the rail members Considerable difficulty has been experienced in may be of any desired construction, with some or the past with sash of this type due to the ends all of the corner joints therebetween made sepaof the glazing strips becoming separated from rable to facilitate insertion and removal of.the 30 each other and leaving a gap after the parts have glass.

been assembled and the sash has been in service I. claim: 7 for a time. This difliculty has been overcome in 1. In sash construction, a frame, a pane of a simple but effective manner by the hereinafter glass, glazing strips in the frame about the edges described means. of the glass, and adhesive tape on the edges of 35 Before the glazing strips H and I2 are fitted the glass between the latter and the glazing strips onto the edges of the glass short strips l8 and IS in adhering association with the glass and fricof thin flexible adhesive tape are stuck over the tional engagement with the glazing strips an opedges of the glass, preferably in such manner as posite sides of the joints present between the to lap narrow margins on both faces of the glass. glazing strips. 40 These strips, which will adhere firmly to the glass 2. In sash construction, a metal f a Provided as soon as placed thereagainst, are positioned at with a groove, a pane of glass positioned with its opposite sides of the proposed location for the edges in the groove, a rubber glazing strip of joint IT. A single strip of the adhesive tape can U-shaped cross section set into the groove with be bent around the corner of the glass if desired, .its sides pressed laterally by the sides of the 45 in place of two separate strips, in order to span groove into resiliently compressed engagement both ends of the glazing strips H and I2, but as with the sides of the glass, and adhesive material the results have been found to be substantially positioned between the sides of the glass and the the same either Way and as undesirable wrinkling sides of the glazing strip in gripping relation to will take place at the corner with a single strip both the glass and the glazing strip at opposite 50 unless the excess material is notched out the use sides of the joint present between the ends of the of two separate strips is recommended. Of course, glazing strip. if the joint between the ends of the glazing strips WILLIAM S. HAMM. II and I2 is located between two of the corners 

